/*
 * The MIT License
 * Copyright © 2014-2019 Ilkka Seppälä
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.iluwatar.roleobject;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Optional;

/**
 * Possible roles
 */
public enum Role {
    Borrower(BorrowerRole.class), Investor(InvestorRole.class);

    private Class<? extends CustomerRole> typeCst;

    Role(Class<? extends CustomerRole> typeCst) {
        this.typeCst = typeCst;
    }

    private static final Logger logger = LoggerFactory.getLogger(Role.class);

    @SuppressWarnings("unchecked")
    public <T extends CustomerRole> Optional<T> instance() {
        Class<? extends CustomerRole> typeCst = this.typeCst;
        try {
            return (Optional<T>) Optional.of(typeCst.newInstance());
        } catch (InstantiationException | IllegalAccessException e) {
            logger.error("error creating an object", e);
        }
        return Optional.empty();
    }

}
